Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Arielle Lyon Langer, MD, MPH

Individual provider Medical Oncology Physician · NPI 1235405309

Dr. Arielle Lyon Langer, MD, MPH is a Hematology in Boston, Massachusetts. Graduated from Columbia University College of Physicians and Surgeons in 2012, 14 years ago. Practices with Dana-Farber Cancer Institute, Inc, a 668-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
14
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
MA
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

75 Francis St
Boston, MA 02115-6106
Phone: (617) 732-5840
Fax: (617) 732-5706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 278124 (MA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 278124 (MA)

Record details

NPI number1235405309
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedMarch 22, 2012
Last updated in NPPESJune 19, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY
Also practisesMEDICAL ONCOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2012 (14 years in practice)
Group practice Dana-Farber Cancer Institute, Inc. — 668 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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